<SEC-DOCUMENT>0000950170-25-015016-index.html : 20250206
<SEC-HEADER>0000950170-25-015016.hdr.sgml : 20250206
<ACCEPTANCE-DATETIME>20250206080004
ACCESSION NUMBER:		0000950170-25-015016
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20250204
FILED AS OF DATE:		20250206
DATE AS OF CHANGE:		20250206

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Woerle Hans-Juergen
		CENTRAL INDEX KEY:			0002046489
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37465
		FILM NUMBER:		25595503

	MAIL ADDRESS:	
		STREET 1:		C/O SERES THERAPEUTICS, INC.
		STREET 2:		200 SIDNEY STREET
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02139

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Seres Therapeutics, Inc.
		CENTRAL INDEX KEY:			0001609809
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		IRS NUMBER:				274326290
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		200 SIDNEY STREET
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02139
		BUSINESS PHONE:		617 945 9626

	MAIL ADDRESS:	
		STREET 1:		200 SIDNEY STREET
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02139

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Seres Health, Inc.
		DATE OF NAME CHANGE:	20140603
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>ownership.xml
<DESCRIPTION>3
<TEXT>
Document 1 - file: ownership.html

Document 1 - RAW XML: ownership.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>mcrb-ex24.htm
<DESCRIPTION>EX-24
<TEXT>
Document 2 - file: mcrb-ex24.htm

</DOCUMENT>
</SEC-DOCUMENT>